标签：val nal tail hang dia matrix ati inner eigen
https://zh.wikipedia.org/wiki/%E5%8D%8F%E6%96%B9%E5%B7%AE%E7%9F%A9%E9%98%B5
http://www.visiondummy.com/2014/04/geometric-interpretation-covariance-matrix/
http://pinkyjie.com/2010/08/31/covariance/
https://en.wikipedia.org/wiki/Variance
https://deeplearning4j.org/eigenvector#a-beginners-guide-to-eigenvectors-pca-covariance-and-entropy
http://blog.csdn.net/watkinsong/article/details/8234766
http://blog.csdn.net/watkinsong/article/details/38536463
标签：val nal tail hang dia matrix ati inner eigen
原文地址：http://www.cnblogs.com/WCFGROUP/p/7773615.html
